Note 6 - Fair Value of Assets and Liabilities (Tables)

6 Months Ended

Jun. 27, 2015

Notes Tables

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

	Fair Value Measurements Using
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Investment in Polytronics	$	12,056	$	—	$	—	$	12,056
Total	$	12,056	$	—	$	—	$	12,056

	Fair Value Measurements Using
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Investment in Polytronics	$	14,503	$	—	$	—	$	14,503
Total	$	14,503	$	—	$	—	$	14,503